PL IA N T Features M ■ Virtually infinite electrical circuit isolation *R oH S CO ■ Metal or plastic shaft options ■ DPST and DPDT switch options ■ RoHS compliant* Model 97 & 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch Potentiometer Specifications Initial Electrical Characteristics1 Conductive Plastic Element Cermet Element Standard Resistance Range Linear Tapers (A, B, E, & H) ........................(B & E) 1 K ohms to 1 megohm......................... (A & H) 100 ohms to 1 megohm Audio Tapers (C, D, F, G, S, & T) ................(D,G,S, & T) 1 K ohms to 1 megohm ................ (C & F) 1 K ohms to 1 megohm Total Resistance Tolerance...............................10 % or 20 % ..................................................... 5% or 10% Independent Linearity .......................................±5 % .................................................................. ±5 % Absolute Minimum Resistance .........................2 ohms maximum .............................................. 2 ohms maximum Effective Electrical Angle ..................................(Linear tapers) 240 ° ± 5 ° ................................. (Linear tapers) 240 ° ± 6 ° (Audio tapers) 225 ° ± 5 ° .................................. (Audio tapers) 225 ° ± 6 ° Contact Resistance Variation ...........................±1 % .................................................................. ±1 % or 3 ohms (whichever is greater) Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level ....................................................1,500 VAC minimum .......................................... 1,500 VAC minimum 70,000 Feet .................................................500 VAC minimum ............................................. 500 VAC minimum Insulation Resistance (500 VDC) .....................1,000 megohms minimum ................................. 1,000 megohms minimum Power Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less) +70 °C Single Section Assembly ................(Linear tapers) 1 watt ........................................ (Linear tapers) 2 watts (Audio tapers) 0.5 watt ...................................... (Audio tapers) 1 watt +70 °C Multiple Section Assembly ..............(Linear tapers) 0.5 watt/section ......................... (Linear tapers) 1 watt/section (Audio tapers) 0.25 watt/section ........................ (Audio tapers) 0.5 watt/section +125 °C .......................................................0 watt ................................................................. 0 watt Theoretical Resolution ......................................Essentially infinite .............................................. Essentially infinite Environmental Characteristics1 Operating Temperature Range .......................... -40 °C to +125 °C ................................................. -40 °C to +125 °C Storage Temperature Range ............................. -55 °C to +125 °C ................................................. -55 °C to +125 °C Temperature Coefficient Over Storage Temperature Range ......................................... ±1,000 ppm/°C ..................................................... ±150 ppm/°C Vibration (Single Section) .................................. 15 G ...................................................................... 15 G Total Resistance Shift ................................... ±2 % maximum .................................................... ±2 % maximum Voltage Ratio Shift ........................................ ±5 % maximum .................................................... ±5 % maximum Shock (Single Section)....................................... 30 G ...................................................................... 30 G Total Resistance Shift ................................... ±2 % maximum .................................................... ±2 % maximum Voltage Ratio Shift ........................................ ±5 % maximum .................................................... ±5 % maximum Load Life............................................................. 1,000 hours .......................................................... 1,000 hours Total Resistance Shift ................................... ±10 % maximum .................................................. ±5 % maximum Rotational Life (No Load) ................................... 100,000 cycles ..................................................... 100,000 cycles Total Resistance Shift ................................... (Linear tapers) 10 ohms or ±15 % TRS max. ...... (All tapers) ±5 % TRS max. (whichever is greater) (Audio tapers) ±20 % maximum Contact Resistance Variation @ 50,000 cycles ........................................... (Linear tapers) ±2 %............................................. ±2 % (Audio tapers) ±3 % ............................................. ±3 % Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift ................................... (Linear tapers) ±10 % TRS maximum ................. (All tapers) ±5 % TRS maximum (Audio tapers) ±20 % TRS maximum Insulation Resistance (500 VDC) ................. 100 megohms minimum....................................... 100 megohms minimum IP Rating............................................................. IP 40 ..................................................................... IP 40 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. Model 97 & 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch Potentiometer Specifications Mechanical Characteristics1 Stop Strength (1/4 ” D shaft) .............................................................................................................................................. 45.19 N-cm (4 lb.-in.) (1/8 ” D shaft) ............................................................................................................................................. 33.89 N-cm (3 lb.-in.) Mechanical Angle ................................................................................................................................................................................. 300 ° ±5 ° Torque Starting ........................................................................................................................................... 0.3 max. above average running torque Running Torque Single or Dual Section (A & R Bushings)...................................................................................................0.21 to 1.06 N-cm (0.3 to 1.5 oz.-in.) Single or Dual Section (C & U Bushings) ..................................................................................................0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.) Mounting .............................................................................................................................................. 1.7-2.0 N-m (15-18 lb.-in.) maximum Variation .......................................................................................................................0.35 N-cm (0.5 oz.-in.) maximum in 45 ° shaft travel Weight (Single Section, Metal Bushing) .............................................................................................................................. 12.7 grams nominal (Each Additional Section) .................................................................................................................................................... 4 grams nominal Terminals .................................................................................................................................. Printed circuit terminals, J-Hooks or solder lugs Soldering Condition .............................................Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter. Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux. Marking....................................................................................Manufacturer’s trademark, date code, resistance, manufacturer’s part number Ganging (Multiple Section Potentiometers) ..............................................................................................................................2 cups maximum Hardware..................... One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number. NOTE: 1At Performance specifications do not apply to units subjected to printed circuit board cleaning procedures. room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. Model 97 & 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch Rotary Switch Specifications Initial Electrical Characteristics1 Contacts: DPST ........................................................................................................................................................ N.O/N.O., N.C./N.C. or N.O./N.C. DPDT ......................................................................................................................................................... 2 N.O./N.C. (break before make) Power Rating (Resistive Load): DPST .................................................................................... 2 A @ 125 volts RMS-60 Hz or 2 A @ 28 VDC, 1 A @ 250 volts RMS-60 Hz DPDT ....................................................................................................................................1 A @ 125 volts RMS-60 Hz or 1 A @ 28 VDC Contact Resistance (0.1 VDC-10 mA) ............................................................................................................................... 10 milliohms nominal Contact Bounce ........................................................................................................................................................... 5 milliseconds maximum Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level........................................................................................................................................................................1500 VAC minimum Insulation Resistance .................................................................................................................................................. 1000 megohms minimum Environmental Characteristics1 Operating Temperature Range .....................................................................................................................................................0 °C to +70 °C Exposure Temperature Range ................................................................................................................................................ -65 °C to +125 °C Vibration (Dual Section) ................................................................................................................................................................................. 8 G Contact Resistance ................................................................................................................................................... 10 milliohms maximum Contact Bounce ..................................................................................................................................................... 0.1 millisecond maximum Shock (Dual Section) ................................................................................................................................................................................... 20 G Contact Resistance ................................................................................................................................................... 10 milliohms maximum Contact Bounce ..................................................................................................................................................... 0.1 millisecond maximum Rotational Life ................................................................................................................................................................................25,000 cycles Switch Actuating Torque (50% Duty cycle @ Rated Power Load) ............................................................1.41 to 4.94 N-cm (2 to 7 oz.-in.) Contact Resistance .................................................................................................................................................100 milliohms maximum Moisture Resistance (MIL-STD-202, Method 106, Condition B) Contact Resistance (0.1 VDC-10 mA) ...................................................................................................................... 10 milliohms maximum Insulation Resistance (After 24 Hours @ Room Temperature) (500 VDC) ............................................................ 100 megohms minimum Housing Material ........................................................................................................High temperature, flame retardant, thermosetting plastic Mechanical Characteristics1 Actuating Torque (Each Section, Switch Module Only) ...............................................................................3.53 to 10.59 N-cm (5 to 15 oz.-in.) Running Torque (Out of Detent, 2-4 Module Assembly)...............................................................................0.21 to 1.41 N-cm (0.3 to 2 oz.-in.) Detent ................................................................................................................................................................................CW or CCW standard Actuation Angle ...................................................................................................................................................................................... 20 ° ±5 ° Contact Materials .................................................................................................................................................... Fine silver with gold overlay Terminal Styles ............................................................................................................................................................................. Solder lug only Standard Orientation ......................................................................................................................................... In-line with control terminals Optional .....................................................................................................................................................Rotated 90 ° CCW from standard Terminal Strength (Before and After Soldering Heat Exposure) ................................................................................... 0.9 kg (2 lbs.) minimum NOTE: 1At Performance specifications do not apply to units subjected to printed circuit board cleaning procedures. room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. Model 97 & 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch Product Dimensions Model 97 PC Pin Terminals, “L” Pattern MOUNTING SURFACE 12.70 ± .229 (.500 ± .009) 0.79 ± .025 (.031 ± .010) 7.92 (.312) 1.37 ± 0.08 (.054 ± .003) 2.36 ± 0.08 (.093 ± .003) SEE HOW TO ORDER CHART FOR BUSHING OPTIONS. 1.19 (.047) “A” STYLE A.R. LUG 3 2.54 (.100) SEE NEXT PAGE FOR SHAFT OPTIONS. 2 12.7 ± 1.02 (.500 ± .040) 2.54 (.100) R1 1 9.53 (.375) R 5.08 ± 0.38 (.200 ± .015) 11.05 ± 0.20 (.435 ± .008) DIA. 0.81 TYP. (.032) 15.88 (.625) DIA. 13.72 ± 0.38 (.540 ± .015) L 0.76 ± 0.05 (.030 ± .002) TYP. Model 99 Solder Lug Terminals, "Triangular" Pattern 5.08 ± 1.02 (.200 ± .040) 5.59 ± .20 (.220 ± .008) 2.54 (.100) 2.54 (.100) 2.03 (.080) 3 PLCS. .41 (.016) 2.29 1.02 (.040) WIDE X (.090) LONG 3 PLCS. 3 2 1 4.45 ± .38 (.175 ± .015) .381 TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ± (.015 )FRACTION ± 1/64 9.65 .XX ± ANGLE ±5 ° (.38) Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. Model 97 & 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch Product Dimensions Model 97 (2nd Cup - Switch) Horizontal Term. (Switch Types R57, R59) 15.88 (.625) REF. 2.77 ± .38 (.109 ± .015) MOUNTING SURFACE 3 18.42 ± 0.38 (.725 ± .015) 1 15.88 (.625) L 3 4 5 6 2 1 16.89 ± .51 (.665 ± .020) 4 5 6 2 2.41 X 1.14 SLOT 6 PLCS (.095 X .045) 8.74 ± 0.25 (.344 ± .010) 15.88 ± 0.38 (.625 ± .015) 2 PLCS. 2.29 6 PLCS. (.090) 2.77 ± .38 (.109 ± .015) 2.54 (.100) 2.54 ± 0.25 2 PLCS. (.100 ± .010) 8.26 ± 0.25 (.325 ± .010) Model 99 (2nd Cup - Switch) Switch Module Variations Shaft Flat Orientation MOUNTING SURFACE 24.77 ± .51 (.975 ± .020) 120 ° ± 5 ° STD. FLAT ORIENTATION (SHAFT AT CCW END) 15.88 (.625) REF. 2.77 ± .38 (.109 ± .015) 3 1 CCW 3 2 POTENTIOMETER 1 L TOTAL ROTATION 300 ° CCW DETENT 25 ° MAX. ACTUATION ANGLE (TYPES 51, 53, 57, 59) 5.59 ± .38 (.022 ± .015) 4 5 6 2 2.41 X 1.14 SLOT 6 PLCS (.095 X .045) 16.89 ± .51 (.665 ± .020) CW DETENT 25 ° MAX. ACTUATION ANGLE (TYPES 50, 52) NOTE: Switch terminals shown in vertical position. 4 3 1 2 3 1 2 DPST (NO/NC) (TYPES 50, 51, 57) 2.29 6 PLCS. (.090) 3 4 2 1 DPST (NO/NO) (TYPES 52, 53, 59) Switch contacts shown in detent position. 4.45 ± .38 (.175 ± .015) 2.77 ± .38 (.109 ± .015) .381 TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ± (.015 )FRACTION ± 1/64 9.65 .XX ± ANGLE ±5 ° (.38) DIMENSIONS: MM (INCHES) Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. Model 97 & 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch Product Dimensions Plastic Shaft Styles SHAFT TYPE "B" (USES BUSHING A) SHAFT TYPE "D" (USES BUSHING C) 1.60+.38/-.00 (.063+.015/-.000) 3.16+.00/-.15 DIA. (.1245+.000/-.006) 6.32+.000/-.152 (.249+.000/.006) DIA. 1.19 (.047) 12.70 (.500) STD. LENGTHS: 15.88 19.05 (.625) (.750) 22.23 (.875) SHAFT TYPE "C" (USES BUSHING A) 1.80 ± .25 (0.07 ± .001) 16.0 (.630) SHAFT TYPE "W" (USES BUSHING A) 14.27 ± .25 (.562 ± .010) 48 TOOTH 6.32+.010/-.025 (.2490+.0004/.0010) DIA SHAFT TYPE "S" (USES BUSHING R) “F” ± .381 (“F” ± .015) 5.486 ± .051 (.216 ± .002) STD. LENGTHS: 19.05 (.750) 25.40 (1.00) SHAFT TYPE "H" (USES BUSHING A) 6.32+.010/-.025 (.2490+.0004/.0010) DIA 6.31+.025/-.051 (.2485+.001/.002) DIA. STD. LENGTHS: 22.0 (.866) “F” ± .38 (“F” ± .015) 22.23 (.875) 25.4 (1.000) STD. LENGTHS: 16.0 (.630) 22.23 (.875) SHAFT TYPE "E" (USES BUSHING C) 0.79 ± 0.25 (.031 ± .010) 3.16 (.1245) DIA 1.80 ± 0.25 (.071 ± .010) 16.0 (.625) 19.0 (.750) 1.60+.38/-.00 (.063+.015/-.000) 6.32+.010/-.025 (.2490+.0004/.0010) DIA. STD. LENGTHS: 15.88 19.05 (.625) (.750) 3.99+.000/-.035 (.1571+.0000/.0010) DIA 0.79 ± 0.13 (.031 ± .054) STD. LENGTHS: STD. LENGTHS: 16.0 (.630) 16.0 (.630) 22.0 (.866) 22.0 (.866) .02 (.050) .005 .XXX = ± (.127) .0005 .XXXX = ± (.0127) TOLERANCES EXCEPT AS SHOWN: .XX = ± 1.194 (.047) 12.70 (.500) 1.50 ± 0.25 (.059 ± .010) 1.00 ± 0.13 (.039 ± .054) SHAFT TYPE "G" (USES BUSHING A) 12.98 (.511) SHAFT TYPE "V" (USES BUSHING U) 6.00+.000/-.035 (.2362+.0000/.0010) DIA STD. LENGTHS: 12.0 (.500) 6.99 (.275) 11.13 (.438) SHAFT TYPE "J" (USES BUSHING R) 0.79 (.031) 22.0 (.866) FLAT LENGTH “F”: FLAT LENGTH “F”: 7.95 (.313) 6.000+.000/-.035 (.2362+.0000/.0014) DIA 3.988 ± .076 (.157 ± .003) STD. LENGTHS: 19.05 (.750) 3.988 +0.000/-0.051 (.157 +.000/-.002) DIA. 22.0 (.866) 5.994 +0.000/-0.051 (.236 +.000/-.002) DIA. 1.00 (.04) 16.0 (.630) SHAFT TYPE "A" (USES BUSHING A) 15.88 (.625) STD. LENGTHS: STD. LENGTHS: STD. LENGTHS: 19.05 22.23 (.750) (.875) 12.70 (.500) .79 (0.03) STD. LENGTHS: 12.70 15.88 19.05 (.500) (.625) (.750) 6.30+.000/-.152 (.248+.000/.006) DIA. 5.49 (.216) 1.50 ± .25 (0.06 ± .001) SHAFT TYPE "R" (USES BUSHING R) 11.18 ± .38 (.440 ± .015) Metal Shaft Styles SHAFT TYPE "T" (USES BUSHING U) 22.23 (.875) MM (INCHES) Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. DIMENSIONS: How to Order Model 97 & 99 Panel Controls 99 A 2 A - B 28 - A 15 / R51 L RoHS IDENTIFIER L Compliant A D SHAFT LENGTH (FMS) Code Description 16 1/2 ”L 20 5/8 ”L 24 3/4 ”L 28 7/8 ”L 32 1 ”L ANTI-ROTATION LUG Single .305 ” (7.8 mm) R, 90 °CW No Lug # SECTIONS 2 Dual 2nd Section is a Switch 97 99 16 mmL 22 mmL R R SWITCH TYPE DPST N.O./N.C. CW Detent In-Line Term DPST N.O./N.C. CCW Detent In-Line Term DPST N.O./N.O. CW Detent In-Line Term DPST N.O./N.O. CCW Detent In-Line Term DPST N.O./N.C. CCW Detent Horz Term DPST N.O./N.O. CCW Detent Horz Term BUSHING Metal Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L Metal Plain 1/4 ” (6.35 mm) D x 1/4 ” (6.35 mm) L Metal Plain 10 mm D x 9 mm L ELEMENT TAPER TYPE/TOLERANCE (A) Linear Cermet ±10 % (H) Linear Cermet ±5 % MODEL Single-Turn, L-Pattern PC Pins w/Switch Single-Turn, Triangle-Pattern Solder Lugs w/Switch SHAFT TYPE B C D R T W A E G H J S V (R50) (R51) (R52) (R53) (R57) (R59) METRIC 16 22 A C R AVAILABLE ONLY IN BUSHING Code A, C A, C A, C A A Plastic Single Slotted 1/4 " (6.35 mm) D Plastic Single Flatted 1/4" (6.35 mm) D Plastic Single Plain 1/8" (3.18 mm) D Plastic Single Slotted 6 mm D Plastic Single Slotted 4 mm D Plastic Single Knurled 1/4" (6.35 mm) D Metal Single Plain 1/4" (6.35 mm) D Metal Single Slotted 1/8" (3.18 mm) D Metal Single Slotted 1/4" (6.35 mm) D Metal Single Flatted 1/4" (6.35 mm) D Metal Single Slotted 6 mm D Metal Single Flatted 6 mm D Metal Single Slotted 4 mm D AVAILABLE ONLY IN LENGTHS BUSHINGS (CODE) (CODE) 16, 20, 24, 28 A 24, 28 A 16, 20, 24 C Metric 16, 22 R Metric 16, 22 U 32 A 16, 20, 24 A 16, 20, 24 C 16, 20, 24, 28 A 24, 28 A Metric16, 22 R Metric 16, 22 R Metric 16, 22 U (B) (E) (C) (D) (F) (G) (S) (T) RESISTANCE CODE VALUE IN OHMS (05) - 100 (30) - 15 K (28) - 150 (16) - 20 K (06) - 200 (17) - 25 K (07) - 250 (18) - 50 K (08) - 500 (20) - 100 K (10) - 1 K (21) - 200 K (11) - 2 K (22) - 250 K (12) - 2.5 K (23) - 500 K (13) - 5 K (25) - 1 M (15) - 10 K Linear C-P ±20 % (10) - 1 K (18) - 50 K Linear C-P ±10 % (12) - 2.5 K (20) - 100 K (13) - 5 K (22) - 250 K (15) - 10 K (23) - 500 K (16) - 20 K (25) - 1 M (17) - 25 K CW Audio Cermet ±10 % (10) - 1 K (18) - 50 K CW Audio C-P ±20 % (12) - 2.5 K (20) - 100 K CCW Audio Cermet ±10 % (13) - 5 K (22) - 250 K CCW Audio C-P ±20 % (15) - 10 K (23) - 500 K CW Audio C-P ±10 % (17) - 25 K (25) - 1 M CCW Audio C-P ± 10 % Boldface features are Bourns standard options. All others are available with higher minimum order quantities. REV. 05/13 Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.